h1{
    color: #f00;
    width: 100%;
    font-size: 10px;
}
body{
    width: 100%;
    height: 100%;
    background-image:url('../../assets//image/webpack.jpg');
    transition: 1s all;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}